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Finding the Fourth Proportional to 41.61, 57.40 and 24.12

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Solution

The fourth proportional to 41.61, 57.40 and 24.12 is: 33.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.61 : 57.40 = 24.12 : x
  2. Step 2: Convert to fraction form
    41.61/57.40 = 24.12/x
  3. Step 3: Cross multiply
    41.61x = 57.40 × 24.12
  4. Step 4: Simplify right side
    41.61x = 1,384.49
  5. Step 5: Solve for x
    x = 1,384.49/41.61
  6. Step 6: Final answer
    x = 33.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.